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The arrival and establishment of the spider Steatoda nobilis (Thorell) (Araneae: Theridiidae) in Chile is reported. This record is the first for this alien species in the Southern Hemisphere. A brief diagnosis to recognise the species is provided and the possible ways of entry of this spider to Chile are discussed.
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Taucare‐Ríos et al. (2016) studied this question.
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